Universal Security Instruments, Inc. designs and markets a variety of safety and security products consisting primarily of smoke alarms, carbon monoxide alarms and related products. The Company sells its products through retail stores and also markets to the electrical distribution trade through its subsidiary, USI Electric, Inc. (USI Electric). The electrical distribution trade includes electrical and lighting distributors, as well as manufactured housing companies. It markets a line of residential smoke and carbon monoxide alarms under the trade names UNIVERSAL and USI Electric. The Company’s line of safety alarms consists of units powered by replaceable batteries, ten-year sealed batteries or 120 volts with battery backup. Its replaceable battery products contain different types of batteries with different battery lives and some include alarm silencers. It also markets door chimes, ventilation products, ground fault circuit interrupters (GFCIs), and other electrical devices.